Example usage for org.objectweb.asm ModuleVisitor visitMainClass

Introduction

In this page you can find the example usage for org.objectweb.asm ModuleVisitor visitMainClass.

Prototype

public void visitMainClass(final String mainClass) 

Source Link

Document

Visit the main class of the current module.

Usage

From source file:org.moditect.internal.compiler.ModuleInfoCompiler.java

License:Apache License

public static byte[] compileModuleInfo(ModuleDeclaration module, String mainClass, String version) {
    ClassWriter classWriter = new ClassWriter(0);
    classWriter.visit(V9, ACC_MODULE, "module-info", null, null, null);

    int moduleAccess = module.isOpen() ? ACC_SYNTHETIC | ACC_OPEN : ACC_SYNTHETIC;
    ModuleVisitor mv = classWriter.visitModule(module.getNameAsString(), moduleAccess, version);

    if (mainClass != null) {
        mv.visitMainClass(getNameForBinary(mainClass));
    }//from   w  ww  . ja v  a2 s  . c o  m

    for (ModuleRequiresStmt requires : module.getNodesByType(ModuleRequiresStmt.class)) {
        mv.visitRequire(requires.getName().asString(), requiresModifiersAsInt(requires.getModifiers()), null);
    }

    for (ModuleExportsStmt export : module.getNodesByType(ModuleExportsStmt.class)) {
        mv.visitExport(getNameForBinary(export.getNameAsString()), 0,
                export.getModuleNames().stream().map(Name::toString).toArray(String[]::new));
    }

    for (ModuleProvidesStmt provides : module.getNodesByType(ModuleProvidesStmt.class)) {
        mv.visitProvide(getNameForBinary(provides.getType()), provides.getWithTypes().stream()
                .map(ModuleInfoCompiler::getNameForBinary).toArray(String[]::new));
    }

    for (ModuleUsesStmt uses : module.getNodesByType(ModuleUsesStmt.class)) {
        mv.visitUse(getNameForBinary(uses.getType()));
    }

    for (ModuleOpensStmt opens : module.getNodesByType(ModuleOpensStmt.class)) {
        mv.visitOpen(getNameForBinary(opens.getNameAsString()), 0,
                opens.getModuleNames().stream().map(Name::toString).toArray(String[]::new));
    }

    mv.visitRequire("java.base", ACC_MANDATED, null);
    mv.visitEnd();

    classWriter.visitEnd();

    return classWriter.toByteArray();
}

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